Looks like you are right. It went to .51 from .10 on March 22, 2011. The pump was on full speed ahead. For those looking to get in now, just hope the dump is not on!
2011/04/04 1.53 1.62 1.49 1.59 4,703,949 1.59
2011/04/01 1.44 1.52 1.39 1.51 3,304,635 1.51
2011/03/31 1.36 1.46 1.29 1.42 2,431,588 1.42
2011/03/30 1.32 1.35 1.27 1.32 1,145,941 1.32
2011/03/29 1.20 1.30 1.16 1.30 1,411,895 1.30
2011/03/28 1.15 1.20 1.07 1.20 654,120 1.20
2011/03/25 1.16 1.19 1.12 1.16 412,394 1.16
2011/03/24 1.00 1.17 1.00 1.17 2,548,450 1.17
2011/03/23 0.85 1.00 0.80 0.92 150,960 0.92
2011/03/22 0.12 0.51 0.12 0.51 3,401,000 0.51
2011/03/21 0.10 0.10 0.10 0.10 - 0.10
2011/03/18 0.10 0.10 0.070 0.10 15,000 0.10
2011/03/17 0.10 0.10 0.10 0.10 - 0.10
2011/03/16 0.10 0.10 0.10 0.10 - 0.10
2011/03/15 0.10 0.10 0.10 0.10 - 0.