Inconsistent Data

Searching for stocks making all-time highs reveals the inconsistencies among free stock data sources on the web. Take NASDAQ:CHSCP (CHS Inc.) for instance. On Finviz it is clearly making new all-time highs:

Yahoo Finance, however, tells a much different story. In this case it's nowhere near all-time highs:

To find out what was correct, I went to the source. Here is the chart from the NASDAQ:

...in this case it looks like Yahoo FTW. 

As always: caveat emptor.