Monolithic Power Systems's (NYSE:MPWR) short percent of float has fallen 8.61% since its last report, with 2.07 million shares sold short, which is 5.84% of all regular shares available for trading. This decrease in short interest could signal a more bullish market sentiment towards the stock. However, compared to its peers, Monolithic Power Systems has a higher short interest as a percentage of float (4.60%).