Amazon.com Inc, Apple Inc and Microsoft Corp all fell and were the biggest drags on the S&P 500 and NASDAQ. A woman walks past a street vendor near the New York Stock Exchange on Wall Street on Tuesday. The S&P 500 fell about 1.21 percent and the NASDAQ slid 2.62 percent in their first weekly declines after four weeks of gains. The US central bank needs to keep raising borrowing costs to tame decades-high inflation, a string of US central bank officials said on Thursday, even as they debated how fast and how high to lift them. The S&P 500 posted one new 52-week high and 29 new lows; the NASDAQ Composite recorded 43 new highs and 93 new lows.