In trading on Tuesday, shares of A.O. Smith Corp ( AOS) crossed below their 200 day moving average of $49.12, changing hands as low as $48.93 per share. A.O. Smith Corp shares are currently trading down about 0.8% on the day. The chart below shows the one year performance of AOS shares, versus its 200 day moving average:Looking at the chart above, AOS's low point in its 52 week range is $42.62 per share, with $55.18 as the 52 week high point — that compares with a last trade of $49.01. According to the ETF Finder at ETF Channel, AOS makes up 3.32% of the EGShares EGAI Developed Markets Blue Chip EM Access ETF ( BCHP) which is trading lower by about 1.5% on the day Tuesday.