In the year to the start of second-quarter earnings season, the broad US S&P 500 stock index had risen by nearly 19%. This was partly driven by big technology companies and partly by multiple expansion resulting from investors’ hopes that falling inflation will increase company profits. A notable absentee from this party was the pharmaceutical sector, with the NYSE Arca Pharmaceutical Index (DRG) falling by nearly 2%, while healthcare conglomerate Johnson & Johnson’s (J&J’s) stock price lagged both these indexes with a fall by nearly 10% over the same period.
However, J&J’s second-quarter earnings announcement prompted a greater than 6% stock price rise against the DRG’s rise of just over...








