Piper Sandler analyst Thomas Champion lowered the price target on VIZIO Holding Corp to $29 from $31, implying a 48 percent upside, and reiterated an Overweight. The company’s Q3 results “were mixed” with logistics challenges “denting” device unit potential, Champion notes. More importantly, however, Vizio’s platform growth remains strong at 130 percent year-over-year, and the Q4 guidance is substantially…