U.S. stocks were in the red as of midday Wednesday.\n\nThe benchmark S&P 500 fell 0.6%. The blue-chip Dow industrials shed 0.7%. The tech-heavy Nasdaq Composite lost 0.9%.\n\nInvestors are weighing contagion risks spilling over from crypto into the broader market, while closely watching the outcome of congressional races.\n\nBond yields retraced an earlier move upward to fall lower on the day. The 10-year US Treasury yield slipped to 4.109% from 4.125% late Tuesday. The yield on the two-year note, which is closely linked with monetary policy expectations, recently traded at 4.640% from 4.672%.\n\nBitcoin was recently down 8.3%. Crypto exchange Coinbase Global Inc. was down 9.7%, headed for a record low.