The Nasdaq Composite /zigman2/quotes/210598365/realtime COMP +0.63% is enjoying a big bounce Monday, almost enough to erase the previous sessions drubbing, but most of the exchange's components are actually losing ground. The index shot up 2.1% in afternoon trading, but the number of declining stocks on the Nasdaq outnumbered advancers 2,157 to 2,151. Meanwhile, the volume of advancing stocks made up 58.6% of total volume on the Nasdaq. The breadth data compares with the overwhelming bearish reading on Friday, when the Nasdaq dropped 2.2% as decliners dominated advances 3,646 to 930. The NYSE was a little more bullish on Monday, as advancers topped declines 1,988 to 1,244 and advancing volume made up 54.9% of total volume, as the S&P 500 /zigman2/quotes/210599714/realtime SPX +0.28% gained 1.6% after dropping 2.3% on Friday.