U.S. stock indexes dropped again Thursday, as the Dow Jones industrial average fell to lows unseen in more than five years, UPI reported. Amid the downturn and the breach of the 8,000-point level in the DJIA, corporate and real estate bonds dropped to 20-year lows, The Wall Street Journal reported Thursday. Financial firms with large bond investments took large hits Wednesday, with Citigroup Inc. shares falling close to 23 percent. In midmorning trading Thursday, the Dow Jones industrial average was off 157.86 points to 7,839.42, down 2 percent. The Standard & Poor's 500 index dropped 2.39 percent to 787.29, falling 19.29 points. The Nasdaq index fell 1.49 percent, down 20.64 points to 1,365.78. The 10-year U.S. Treasury bond rose, yielding 3.75 percent. The euro rose to $1.2528, compared to $1.252 Wednesday. Against the Japanese yen, the dollar rose to 94.66 yen, from 95.90 yen. In Tokyo, the Nikkei average lost 570.18 points to 7,703.04, off 6.8 percent.03.04, off 6.8 percent.