这是什么意思？房产业会怎样？ Banks hit on Mass. foreclosure ruling

BOSTON (MarketWatch) -- Bank stocks sold off Friday following reports Massachusetts' highest court ruled two foreclosures were invalid because banks didn't show they owned the mortgages. The court upheld an earlier ruling against Wells Fargo & Co. /quotes/comstock/13*!wfc/quotes/nls/wfc (WFC 31.25, -0.90, -2.80%) and U.S. Bancorp /quotes/comstock/13*!u*****/quotes/nls/u***** (USB 26.13, -0.16, -0.61%) , according to the reports. Shares of Wells Fargo, J.P. Morgan Chase & Co. /quotes/comstock/13*!jpm/quotes/nls/jpm (JPM 43.41, -1.07, -2.41%) and Bank of America Corp. /quotes/comstock/13*!bac/quotes/nls/bac (BAC 14.18, -0.26, -1.80%) were all down more than 2% in recent action, while U.S. Bancorp was off 1.2%.