By L.A. Little of tatoday.com, author of Trade Like the Little Guy.

Atrion ( ATRI), a maker of components for the medical and health care industry, continues to grow its year-over-year top line and bottom lines in a tough economic climate. Atrion's share price has pushed to all-time highs and as recently as Friday touched new ones.

Atrion is a micro-cap on the border of becoming small-cap in size, but volumes are thin and share price is high so a conservative trading approach to the stock is warranted. The charts are unquestionably bullish though and thus we're covering it here.

On a long-term basis, Atrion has crossed above the previous all-time highs and it did so on rising volume. That confirms the long-term time frame as bullish. After four months of consolidation at those highs, the former resistance becomes strong support. In the long term, Atrion has a solid foundation to build upon.

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Today's Strong And Under The Radar Stock: Atrion (ATRI)