Fastenal Company is a leading distributor of industrial and construction supplies, offering a wide range of products including fasteners, tools, safety equipment, and maintenance supplies. They serve customers in various industries, such as manufacturing, construction, and transportation.

Currently, FAST stock is selling off after retesting a key Fibonacci level. Fibonacci retracement levels are commonly used in technical analysis to identify potential support or resistance levels based on the Fibonacci sequence. When a stock price retests a Fibonacci level and subsequently sells off, it suggests that the level is acting as a strong resistance, attracting selling pressure.

Traders and investors should closely monitor FAST's price action and volume to assess the strength of the selling pressure and potential for further downside. It is recommended to use additional technical indicators and conduct thorough research before making any investment decisions.