A senior Deutsche Bank AG (USA) (NYSE: DB) executive has said the bank's financial position remains "rock solid" in an attempt to pacify nervous investors whose bearish sentiment has resulted in a 38 percent drop in shares this year. The stock sank to a 52-week low of $14.98 on Tuesday on the NYSE.

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The memo came after the stock lost 4.5 percent on the NYSE and more than 9 percent in Europe on Monday. The bank noted that it had "sufficient" reserves to make payments to investors on Additional Tier 1 securities.

"On Monday, we took advantage of this strength to reassure the market of our capacity and commitment to pay coupons to investors who hold our Additional Tier 1 capital. This type of instrument has been the subject of recent market concern," Cryan added.

Cryan, a former UBS executive, became the co-CEO of Deutsche Bank in July. Late January, Deutsche Bank reported losses of 2.1 billion euros for the fourth quarter and 6.8 billion euros for 2015. The management's efforts have not gone down well with the investors as the shares tanked 48 percent since Cryan's appointment.