Crohn's Colitis. 1  Inflammation of the colon only. 2  Not uncommon. Approximately 20 percent of patients with Crohn's. 3  Symptoms include diarrhea, rectal bleeding, and abdominal pain. 4  Perianal disease and the extraintestinal manifestations of Crohn's disease are more common in patients with involvement of the colon.
The DJIA is composed mainly of companies found on the NYSE, with only a couple of Nasdaq-listed stocks. Remember, although both the Dow and the Nasdaq refer to market indices, only the Nasdaq also refers to an exchange where investors can buy and sell stock.
The PowerShares QQQ, also known simply as âthe Qs,â is an ETF that tracks the NASDAQ-100 index. In other words, itâs designed to invest in the same companies, at the same proportion, tracked in the NASDAQ-100.