A Week Like This Was a Long Time Coming for Day-Trader Faithful

A Week Like This Was a Long Time Coming for Day-Trader Faithful

Last month, when the Robinhood investor app announced plans to shut off the feed that showed what its clients were buying, data sleuths mourned. Chronicling the love affairs of retail traders in the stock market had become a pastime -- what would they do without it?The information vacuum didn't last long. On Monday, enticed by stock splits at Apple Inc. and Tesla Inc., demand from amateur equity enthusiasts was again thrust into plain view -- when their orders crashed discount-brokerage websites all