Monday morning, 9 companies reached new 52-week lows.

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Significant Points:

• The largest company by market cap to set a new 52-week low was Mercer International MERC.
• Rocky Mountain Chocolate RMCF was the smallest, in terms of market cap, to set a new 52-week low.
• Mallinckrodt MNK's stock fell the most, as it traded down 16.43% to reach a new 52-week low.

During the first half-hour of trading on Monday, the following stocks broke to new 52-week lows:

• Mercer International MERC shares moved down 0.63% on Monday to hit a new 52-week low of $6.20, drifting down 0.63%.
• Meten EdtechX Education METX shares reached a new 52-week low of $6.03 on Monday morning, later moving up 3.05%.
• Abeona Therapeutics ABEO stock hit $1.16 on Monday morning, setting a new 52-week low for a change of 0.0% (flat).
• Genesis Healthcare GEN stock hit a new 52-week low of $0.56. The stock was down 2.57% on the session.
• Mallinckrodt MNK shares were down 16.43% for the day, having made a 52-week low of $0.92.
• AnPac Bio-Medical Science ANPC shares set a new yearly low of $3.65 this morning. The stock was down 7.98% on the session.
• SeaChange International SEAC shares set a new yearly low of $0.87 this morning. The stock was down 0.96% on the session.
• Code Chain New Continent CCNC shares set a new 52-week low of $0.89.
• Rocky Mountain Chocolate RMCF stock broke to a new 52-week low of $2.68 on Monday. Shares of the company traded down 2.42%.

Should these stocks see further movement, Benzinga will be the first to update traders. Stay tuned.