The leading indexes on the New York Stock Exchange went in different directions when the trading week began on Monday. However, the index movements were not large.
The Dow Jones industrial index fell 0.4 percent, the technology-heavy Nasdaq composite index rose 0.2 percent, while the broad S&P 500 index closed unchanged.
Semiconductor giant Nvidia rose 4.1 percent.
American regional bank Keycorp rose 9.1 percent after it became clear that the Canadian Bank of Nova Scotia is buying 15 percent of the bank for $2.8 billion.
Investors are now waiting for a number of important reports that can provide indications of how the American economy is doing. On Wednesday, the American inflation figures will be released. Later in the week, statistics on retail trade will also be released.
During the week, home improvement chain Home Depot and retail giant Walmart will also present their quarterly reports.