Investment flows into mutual funds and exchange-traded funds reinforce the degree to which large technology stocks have dominated the U.S. stock market this year—that is, until this month's well-documented rotation out of those stocks. Technology funds attracted $4.2 billion in net inflows in the second quarter, wrapping up a first half in which when they gathered $17 billion, according to an LPL analysis of Morningstar data. Of the 10 market sectors composing the benchmark S&P 500 Index, only two others—i ...