Late stage vaccine candidates and pharmaceutical stocks, Hathaway's investment in large drugmakers, understanding Ackman's latest big bet, Son selling investments for cash

Michelle Martin speaks to Arun Pai, Chief Strategy Officer at Flow to discuss pharmaceuticals stocks, late stage vaccine candidates, Berkshire Hathaway's investments in large drugmakers, Ackman's bet on corporate defaults, Masayoshi Son selling Softbank investments for cash and sectors to look out for.

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