Stock futures edged lower on Monday morning ahead of a packed earnings week.

Futures tied to the shed 120 points, or 0.42%. slipped 0.54%, while Nasdaq 100 futures lost 0.63%.

Investors are looking ahead to the busiest period of the first-quarter earnings season, which will see more than 180 S&P 500 companies report results. Four of the Magnificent Seven companies— , ,  and  — will release their quarterly reports. Heavyweights such as , , and are also on the docket.

Earnings results have been somewhat strong this quarter, with 73% of companies reporting so far beating analysts' estimates — below the 5-year average of 77%, according to FactSet data. Still, for the second quarter and the full year.

This week will also close out the last trading week of the month, which has seen stocks whipsaw across a wide trading range after President Donald Trump unveiled his sweeping tariff plans. Uncertainty around his tariff policies, many of which remain in flux, has added to market volatility.

So far in April, the is down by 1.5%, while the is on track to lose 4.5% and the is up 0.5%. The S&P 500 on April 7 and has made a slight recovery since, but the index has failed to break through key resistance levels.

"While it may be too early to make the technical case for a bottom in beta underperformance, the recent rebound off key support implies investors should remain on high alert for a potential shift back toward risk-on leadership," Adam Turnquist, chief technical strategist for LPL Financial, said.

S&P 500, Dow Jones Industrial Average end the month lower

The has traded higher after bottoming earlier this month, but is on track to end April in the red alongside the .

The broad-market index is down 1.54% this month, while the 30-stock Dow has lost 4.5%. The is up 0.48%.

— Pia Singh

Stock futures open lower to start the week

Futures tied to the shed 74 points, or nearly 0.2%, shortly 6 p.m. ET. shed 0.2%, while lost 0.3%.

— Pia Singh