Three consumer discretionary stocks may be flashing warning signals for momentum-focused investors, with RSI (Relative Strength Index, a price-momentum measure) readings above the 70 level typically associated with overbought conditions, according to Benzinga Pro. MarineMax Inc. rose around 57% over the past month and had an RSI of 82 after announcing its acquisition by Blackrock Infrastructure's Safe Harbor on Aug. 10. Hamilton Beach Brands Holding Co. gained around 49% over the month and recorded an RSI of 81.3 after reporting higher second-quarter earnings and sales on Aug. 5. Restaurant Brands International Inc. advanced around 8% and had an RSI of 71.2 after posting upbeat quarterly earnings on Aug. 6. Their Thursday closing prices were $52.25, $33.65 and $79.55, respectively.