CHDX Worth buying at this point?

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I had been looking at this stock for a few weeks, but never pulled the trigger. Is it worth getting in it at this price point?

chdx: Currently at $24.75

Historical

Date Volume Adj Close*
26-Jan-07 142,000 23.74
25-Jan-07 188,200 23.38
24-Jan-07 335,600 23.85
23-Jan-07 683,800 24.01
22-Jan-07 100,200 21
19-Jan-07 81,300 21.1
18-Jan-07 159,800 20.98
17-Jan-07 254,400 22
16-Jan-07 638,000 22.23
12-Jan-07 59,300 18.99
11-Jan-07 90,000 18.74
10-Jan-07 111,700 18.9
9-Jan-07 216,000 18.15