Economic Optimism Keeps Wall Street Bullish By: CNBC.com News January 05, 2013 at 03:23 AM EST After a strong 2012, the bull market in stocks can continue in 2013 as the U.S. economy continues to improve, equity strategists told CNBC this week. Read More >> Related Stocks: DaVita HealthCare Partner H&R Block Hollyfrontier Corp Home Depot Honeywell International Huntington Bancshares Lowe's Companies Powerlock International Corp