REUTERS/Robert Galbraith/File Photo Acquire Licensing RightsORLANDO, Florida, Aug 30 (Reuters) - To buy back, or not to buy back. The highest U.S. interest rates in over 20 years coupled with Wall Street's remarkable resilience has brought an old boardroom dilemma into sharp focus: are share buybacks worth it? Ditto Apple, Chevron, Alphabet and Wells Fargo, which this year have announced buybacks of $90 billion, $75 billion, $70 billion and $30 billion, respectively. Figures from Refinitiv show that S&P 500 companies spent more than $6 trillion on stock buybacks in the decade through 2022. Reuters Image Acquire Licensing Rights(The opinions expressed here are those of the author, a columnist for Reuters.)

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