New indices rapidly lose ability to outperform, study shows
Research demonstrates that backtesting is a poor indicator of future returns, Morningstar finds
版權(quán)聲明：本文版權(quán)歸FT中文網(wǎng)所有，未經(jīng)允許任何單位或個(gè)人不得轉(zhuǎn)載，復(fù)制或以任何其他方式使用本文全部或部分，侵權(quán)必究。