Analysts forecast that companies in the S&P 500 will report that quarterly earnings increased 3.3 percent compared with the same period the year before, according to S&P Capital IQ. But all the events that took place in the last three months of 2012 -- Superstorm Sandy, the presidential election, and worries about the narrowly avoided "fiscal cliff" -- could make for some surprises.
In other trading, the yield on the 10-year Treasury note was 1.90 percent. The yield on the note hit an eight-month high of 1.97 percent in intraday trading Friday, according to prices from Tradeweb, an operator of fixed-income markets.
Among other stocks making big moves:
— Archer Daniels Midland dropped 4 percent. Analysts at JP Morgan Chase said the ongoing drought in the Midwest will likely squeeze the crop-processing company's profit margins. The analysts also started coverage on ADM's stock with a price target of $28, below where it opened for trading Monday. ADM fell $1.06 to $28.16.
— Lowe's Cos. fell 90 cents to $34.68 after analysts at the money-management firm Canaccord cut their rating on the company to "sell" from "hold," saying that the home improvement company's efforts to improve stores and sales won't be successful.
— Walgreen Co. gained 82 cents to $38 after Jefferies analyst Scott A. Mushkin raised his rating on the drugstore chain to "buy" from "hold," saying the company's profits may get a boost from the flu season, Medicare drug plans and President Obama's health-care overhaul.