According to @CNBC, Jana Partners has taken a stake in medical device maker Cooper Companies (NYSE: COO), citing a report from The Wall Street Journal as the source. CNBC noted the development but did not disclose the stake size, timing, or any specific activist proposals in its post, nor did it indicate any direct impact on cryptocurrency markets. The CNBC item attributes the news to The Wall Street Journal and provides no additional financial details at this time, which keeps near-term trading implications focused on headline risk and subsequent official disclosures (source: CNBC citing The Wall Street Journal).