Stocks danced to a slow beat Friday, rising in quiet post-holiday volume. The Nasdaq ambled to a 0.7% gain, while the S&P 500 added 0.3%. The IBD 50 rose 0.6%. Volume rose vs. Christmas Eve’s half-session but ran lower on an hour-to-hour comparison. The market was closed on Christmas Day. Around year-end, trade doesn’t usually return to normal levels until early January.