It doesn't hurt to have a big name in finance waxing bullish on your prospects.Progressive (PGR 4.30%), the insurance company perhaps best known for its quirky TV ads, had a fine Wednesday on the stock market. On news of an analyst's latest bullish take on its prospects, the insurer's stock enjoyed a more than 4% rise across the Hump Day trading session. That gain outpaced that of the S&P 500 index, which had a relatively bullish day with a 2.5% rise.The stock is gold, says GoldmanThe entity waxing positive ...