New York stock exchange's leading index rose on Tuesday, but the increases were marginal. The broad S&P 500 index and the technology-heavy Nasdaq composite index both rose 0.4 percent, while the Dow Jones industrial index increased 0.3 percent.
Trading was cautious after President Donald Trump escalated his conflict with the central bank Federal Reserve by firing board member Lisa Cook. She responded that she will not resign – instead, she is suing the president.
Among the winners was Boeing after the aircraft manufacturer announced a new deal with Korean Air, which will buy over 100 planes. Boeing's share price rose 3.5 percent.
The price of crude oil fell. The shares of energy giants such as Chevron and Exxon Mobil declined slightly as a result.
