HOW TO INVEST LIKE WARREN BUFFETT.

Συγγραφείς: COLVIN, GEOFF (AUTHOR)

Πηγή: Fortune. Dec2025/Jan2026, Vol. 192 Issue 3, p102-105. 4p. 2 Color Photographs.

Θεματικοί όροι: *STANDARD & Poor's 500 Index, *HOLDING companies, *INVESTORS, *INVESTMENT policy, *VALUE investing (Finance), *PORTFOLIO management (Investments), *COMPETITIVE advantage in business

Εταιρία/Οντότητα: BERKSHIRE Hathaway Inc. 001024314 BRKA

People: BUFFETT, Warren, 1930-

WE'RE STILL BULLISH ON STOCKS. (cover story)

Συγγραφείς: SMITH, ANNE KATES (AUTHOR) Anne.Smith@futurenet.com

Πηγή: Kiplinger Personal Finance. Jan2026, Vol. 80 Issue 1, p22-33. 10p. 3 Color Photographs, 1 Chart, 1 Graph.

Θεματικοί όροι: *STOCKS (Finance), *STANDARD & Poor's 500 Index, *INVESTORS, *PRICE inflation, *PORTFOLIO diversification, OPTIMISM, UNITED States economy

Γεωγραφικοί όροι: UNITED States

Εταιρία/Οντότητα: BOARD of Governors of the Federal Reserve System (U.S.)

Crash-Proof Funds.

Συγγραφείς: TUCKER, HANK (AUTHOR)

Πηγή: Forbes. Dec2025/Jan2026, Vol. 208 Issue 6, p62-63. 2p. 2 Color Photographs.

Θεματικοί όροι: *EXCHANGE traded funds, *STANDARD & Poor's 500 Index, *FINANCIAL crises, *PORTFOLIO management (Investments), *RISK management in business

Γεωγραφικοί όροι: UNITED States

Bullish on Trillion-Dollar Stocks.

Συγγραφείς: GLASSMAN, JAMES K. (AUTHOR)

Πηγή: Kiplinger Personal Finance. Dec2025, Vol. 79 Issue 12, p33-34. 2p. 2 Color Photographs.

Θεματικοί όροι: *STANDARD & Poor's 500 Index, *MARKET capitalization, *MARKET leaders, *BUSINESS enterprises, *HIGH technology industries, *INVESTORS, *INFORMATION technology industry

Εταιρία/Οντότητα: MICROSOFT Corp. 081466849 MSFT, AMAZON.COM Inc. 884745530 AMZN, NVIDIA Corp. 806724555 NVDA, APPLE Inc. AAPL

Exploring Emerging Markets.

Συγγραφείς: GLASSMAN, JAMES K. (AUTHOR)

Πηγή: Kiplinger Personal Finance. Nov2025, Vol. 79 Issue 11, p33-34. 2p. 2 Color Photographs.

Θεματικοί όροι: *EMERGING markets, *STANDARD & Poor's 500 Index, *RATE of return, *ECONOMIC activity, GEOPOLITICS, ECONOMIC conditions in Asia

Γεωγραφικοί όροι: CHINA

Finding Value in (Some) Losers.

Συγγραφείς: GLASSMAN, JAMES K. (AUTHOR) JKGlassman@gmail.com

Πηγή: Kiplinger Personal Finance. Oct2025, Vol. 79 Issue 10, p39-40. 2p. 1 Color Photograph.

Θεματικοί όροι: *STOCKS (Finance), *STANDARD & Poor's 500 Index, *INVESTMENT risk, *INVESTMENT analysis

Εταιρία/Οντότητα: UNITEDHEALTH Group Inc. 112871561 UNH

A new method for jump detection: analysis of jumps in the S&P 500 financial index Open Access.

Συγγραφείς: Khashanah, Khaldoun¹ (AUTHOR), Chen, Jing² (AUTHOR), Buckle, Mike³ (AUTHOR), Hawkes, Alan³ (AUTHOR)

Πηγή: Journal of the Royal Statistical Society: Series C (Applied Statistics). Dec2025, Vol. 74 Issue 5, p1321-1339. 19p.

Θεματικοί όροι: *STANDARD & Poor's 500 Index, *HIGH-frequency trading (Securities), *STOCK price indexes, *MARKET volatility

Statistical proxy based mean‐reverting portfolios with sparsity and volatility constraints.

Συγγραφείς: Mousavi, Ahmad¹ (AUTHOR) mousavi@american.edu, Michilidis, George² (AUTHOR) gmichil@ufl.edu

Πηγή: International Transactions in Operational Research. Nov2025, Vol. 32 Issue 6, p3848-3869. 22p.

Θεματικοί όροι: *STANDARD & Poor's 500 Index, *TRANSACTION costs, *ALGORITHMS, *STATISTICS, DECOMPOSITION method

Illuminating the Pricing Kernels: Short‐Term and Long‐Term Index Option Returns.

Συγγραφείς: Li, Bingxin¹ (AUTHOR) bingxin.li@mail.wvu.edu, Ou, Fangzheng¹ (AUTHOR)

Πηγή: Journal of Futures Markets. Oct2025, Vol. 45 Issue 10, p1795-1817. 23p.

Θεματικοί όροι: *STANDARD & Poor's 500 Index, *OPTIONS (Finance), *EXPECTED returns, *MARKET sentiment

Volatility Risk and Volatility‐of‐Volatility Risk: State‐Dependent Correlations Between VIX and the S&P 500 Stock Index and Hedging Effectiveness.

Συγγραφείς: Li, Leon¹ (AUTHOR) leonli@waikato.ac.nz, Chen, Carl R.² (AUTHOR)

Πηγή: Journal of Futures Markets. Nov2025, Vol. 45 Issue 11, p2166-2185. 20p.

Θεματικοί όροι: *MARKET volatility, *STANDARD & Poor's 500 Index, *STATISTICAL correlation, *HEDGING (Finance), *EMPIRICAL research, *INVESTMENT risk, STATISTICAL models, ECONOMIC uncertainty

Εταιρία/Οντότητα: DCC PLC

A New Star Is Born: Does the VIX1D Render Common Volatility Forecasting Models for the US Equity Market Obsolete?

Συγγραφείς: Albers, Stefan¹ (AUTHOR) stefan.albers@tu-dresden.de

Πηγή: Journal of Futures Markets. Nov2025, Vol. 45 Issue 11, p2092-2108. 17p.

Θεματικοί όροι: *MARKET volatility, *STANDARD & Poor's 500 Index, *RISK assessment, *OPTIONS (Finance), *ECONOMIC models, *STOCKS (Finance)

Γεωγραφικοί όροι: UNITED States

Εταιρία/Οντότητα: CHICAGO Board Options Exchange

Unveiling Bidirectional Forecasting Between Volatility of VIX and Stock Market: Insights From Asymmetric Jumps and Cojumps.

Συγγραφείς: Jiang, Gongyue¹ (AUTHOR), Qiao, Gaoxiu² (AUTHOR) gxqiao@home.swjtu.edu.cn, Liang, Chao³ (AUTHOR)

Πηγή: Journal of Futures Markets. Oct2025, Vol. 45 Issue 10, p1717-1739. 23p.

Θεματικοί όροι: *STANDARD & Poor's 500 Index, *MARKET volatility, *FINANCIAL markets, *STOCKS (Finance), *FORECASTING

Using Daily Stock Returns to Estimate the Unconditional and Conditional Variances of Lower-Frequency Stock Returns.

Συγγραφείς: Kirby, Chris¹ (AUTHOR)

Πηγή: Risks. Oct2025, Vol. 13 Issue 10, p190. 17p.

Θεματικοί όροι: *RATE of return on stocks, *STANDARD & Poor's 500 Index, *FORECASTING, *MONTE Carlo method, *ANALYSIS of variance, MINIMUM variance estimation, HETEROSCEDASTICITY

Observable or latent Markov chains for score-driven regime-switching volatility?

Συγγραφείς: Blazsek, Szabolcs¹ (AUTHOR) blazsek_s@mercer.edu, Kong, Dejun¹ (AUTHOR), Shadoff, Samantha R.¹ (AUTHOR)

Πηγή: Applied Economics. Nov2025, Vol. 57 Issue 52, p8693-8709. 17p.

Θεματικοί όροι: *MARKET volatility, *STANDARD & Poor's 500 Index, *MARKOV processes, *RISK managers, *FORECASTING, GARCH model

Shock‐Triggered Asymmetric Response Stochastic Volatility.

Συγγραφείς: Marin, J. Miguel¹ (AUTHOR), Veiga, Helena² (AUTHOR) mhveiga@est¿econ.uc3m.es

Πηγή: Journal of Forecasting. Oct2025, p1. 24p. 13 Illustrations.

Θεματικοί όροι: *STANDARD & Poor's 500 Index, *PARAMETER estimation, *FINANCIAL leverage, MAXIMUM likelihood statistics

Time series quantile regression kink with an unknown threshold.

Συγγραφείς: Zhang, Feipeng¹ (AUTHOR), Xie, Rui² (AUTHOR) xrxrui@126.com, Xiao, Zhijie³ (AUTHOR)

Πηγή: Econometric Reviews. 2025, Vol. 44 Issue 9, p1275-1320. 46p.

Θεματικοί όροι: *STANDARD & Poor's 500 Index, *TIME series analysis, QUANTILE regression, STATISTICAL models, LIKELIHOOD ratio tests, CUSUM technique, NONLINEAR theories

Analyzing the impact of investor sentiment on S&P 500 prices using deep learning models.

Συγγραφείς: Khalife, Danielle (AUTHOR) daniellekhalife@usek.edu.lb, Yammine, Jad (AUTHOR) jadyammine@usek.edu.lb, El Bazi, Tatiana (AUTHOR) tatiana.e.elbazi@net.usek.edu.lb, Zaki, Chamseddine (AUTHOR) chamseddine.zaki@aum.edu.kw, Jabbour Al Maalouf, Nada (AUTHOR) nada.almaalouf@usek.edu.lb

Πηγή: Journal of Financial Reporting & Accounting (Emerald Group Publishing Limited). 2025, Vol. 23 Issue 4, p1365-1386. 22p.

Θεματικοί όροι: *STANDARD & Poor's 500 Index, *SENTIMENT analysis, *ECONOMIC forecasting, *MARKET sentiment, *BEHAVIORAL economics, DEEP learning, SOCIAL media, RECURRENT neural networks

HANG IN THERE WITH THIS VALUE FUND.

Συγγραφείς: HUANG, NELLIE S. (AUTHOR) Nellie.Huang@futurenet.com.

Πηγή: Kiplinger Personal Finance. Dec2025, Vol. 79 Issue 12, p39-39. 1p. 5 Charts.

Θεματικοί όροι: *VALUE investing (Finance), *STANDARD & Poor's 500 Index, *COMPOUND annual growth rate, *PRICE fluctuations, *HEALTH care industry, *MUTUAL funds, *INVESTMENT policy

Εταιρία/Οντότητα: UNITEDHEALTH Group Inc. 112871561 UNH

THIS FUND FERRETS OUT HIGH-QUALITY STOCKS.

Συγγραφείς: HUANG, NELLIE S. (AUTHOR)

Πηγή: Kiplinger Personal Finance. Dec2025, Vol. 79 Issue 12, p35-35. 1p. 1 Chart.

Θεματικοί όροι: *PROFIT margins, *STANDARD & Poor's 500 Index, *RISK aversion, *BLUE chip stocks, *COMPOUND annual growth rate, *FINANCIAL leverage, *BEAR markets

Γεωγραφικοί όροι: UNITED States

NEW MEMBERS FOR THE S&P 500.

Συγγραφείς: SMITH, ANNE KATES (AUTHOR)

Πηγή: Kiplinger Personal Finance. Nov2025, Vol. 79 Issue 11, p32-32. 1p. 1 Chart.

Θεματικοί όροι: *STANDARD & Poor's 500 Index, *STOCKS (Finance), *BROKERS, *PUBLIC companies, *CORPORATIONS

Εταιρία/Οντότητα: INTERACTIVE Brokers Group Inc. IBKR