The market is going to keenly watch key earnings expected today. Strong April-June quarter numbers of TCS may also be a market game changer. On Thursday, equity benchmarks gained strength in late trade with the BSE Sensex gaining 180 points to close at 20128.41 on short covering in banks, capital goods and oil & gas stocks. Globally, the Dow and the S&P; 500 closed at record highs on Thursday after Morgan Stanley and others reported better-than-expected earnings and Federal Reserve Chairman Ben Bernanke's comments further reassured markets. The S&P; financial index climbed 1.3 percent. Of the 21 financial companies that have reported quarterly earnings so far, 76 percent have surpassed analysts' estimates, Thomson Reuters data showed. Both the Dow and the S&P; 500 also hit all-time intraday highs shortly after the opening bell. The Dow climbed as high as 15,589.40, while the S&P; 500 set a record session high of 1,693.12. Bernanke, speaking before the Senate Banking Committee, reiterated comments he...