Investors and traders appear to be in a good mood after the long weekend.

U.S. stock futures were slightly higher ahead of another round of quarterly earnings.

Kimberly-Clark (KMB), a producer of consumer products including Kleenex, reported a loss that was smaller than the loss reported a year ago. The CEO blamed "cost inflation."

Toy company Hasbro (HAS) and energy producer Halliburton (HAL) reported gains in net income, after reporting losses a year earlier.

Netflix (NFLX) will be reporting after the market closes. The stock has been one of Wall Street's big momentum plays and the top performer in the S&P 500 last year, with an incredible 269% rise. But tech stocks have been volatile over the past several weeks, and Netflix shares are down 6% this year.

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There are many other big earnings announcements set for later in the week. McDonald's (MCD), Apple (AAPL) and Facebook (FB) will all be reporting.

But it's a slower week for economic data releases, with none set for Monday. The latest existing home sales report will be released on Tuesday.

Related: Here's what to expect this week in the stock market

All the major European markets were closed Monday for the Easter holiday.

Some Asian markets were open, but they weren't moving in unison. The Shanghai Composite index fell by 1.5% -- but other major indexes were little changed.