By Lewis Krauskopf NEW YORK (Reuters) – Fears over the Federal Reserve’s hawkish shift have combined with geopolitical uncertainty to push the S&P 500 into a correction this year, yet historical data suggests tighter monetary policy has often been accompanied by solid gains in stocks. That offers a glimmer of good news to investors, who widely expect the central bank to announce the first interest rate increase in more than three years on Wednesday and are pricing some 180 basis points of tightening by the end of the year. The S&P 500 has returned an average 7.7% in the first year the Fed rais…