Stocks hit fresh highs on light volume as a quiet economic calendar and a three-day weekend for the bond market focused market participants' attention on what is forecast to be a strong quarter for corporate profit growth.Markets continued to power higher Monday, boosted by a strong start to the financial sector's reporting period. Late last week, JPMorgan Chase (JPM), the nation's biggest bank by assets, posted a better-than-expected increase in net interest income (NII) and lifted its forecast for the cri ...