Experts are warning of several more weeks or even months of ...

Experts are warning of several more weeks or even months of fighting ahead and even the danger that Russian President Vladimir Putin may use tactical nuclear or chemical weapons in frustration at the slowness of his military campaign to oust the government of Ukraine. $S&P 500 Index (.SPX.US)$ $SPDR S&P 500 ETF (SPY.US)$ $Nasdaq Composite Index (.IXIC.US)$ $Invesco QQQ Trust (QQQ.US)$ $ProShares UltraPro Short QQQ ETF (SQQQ.US)$ $Direxion Daily Semiconductor Bull 3x Shares ETF (SOXL.US)$ $PHLX Semiconductor Index (.SOX.US)$