Wall Street's main indexes were unchanged on Thursday, amid light trading the day after the Christmas break, as rising yields limited gains in equities, while investors looked for a year-end boost from the so-called Santa Claus rally.

Stock indexes are rising in afternoon trading on Wall Street at the start of a holiday-shortened week. The S&P 500 rose 0.6% Monday.

NEW YORK — Stocks shook off a choppy start to finish higher Monday, as Wall Street kicked off a holiday-shortened week.

Wall Street's main indexes drifted lower in light trading volumes on Thursday, as rising yields pressured some shares, while investors looked for a year-end boost from the so-called Santa Claus rally.

U.S. stocks on Thursday overcame a lower open to turn positive, though momentum remained weak as Wall Street's attempt to continue a Santa Claus rally came under pressure, after the best Christmas Eve session since 1974.