The intraday price for Arbitron Inc. has moved below its 200 period 30 minute moving average of 37.88. ARB is around 37.57 bucks now. Going below the moving average deepens the negative trend.

The price is already below support of $38.72.

Other stocks to watch – these have a positive correlation with Arbitron Inc.:

Citigroup Inc (C-H) with a correlation of 97.16%

U.S. Telecommunications Equipment Index (DSCT) with a correlation of 96.72%

Emc Corp. (EMC) with a correlation of 97.72%

Korn/Ferry International (KFY) with a correlation of 97.6%

Rogers Metals Producers Index [Euro] (SRVB) with a correlation of 96.78%

For the math geeks and quants – the most recent Slope: -0.85 Intercept: 38.72 close: 37.57