shares of bristol myers squibb co bmy slumped 17 in midday trading thursday toward a sixmonth low putting them on track to suffer the longest losing streak in 3 12 years the stock is headed for a ninthstraight loss and has declined 78 during that stretch the last time it suffered a losing streak that long was the nineday stretch ended april 23 2018 when the stock fell 88 according to data compiled by dow jones market data the selloff comes as congress is working on the infrastructure bill with bernstein analyst ronny gal saying the bill will very likely include drugcost provisions gal expects the three main provisions to be the benchmarking of drug prices in medicare or drugprice negotiation caps on price increases to inflation and restructuring of medicare part d to eliminate the coverage gap and catastrophic patient participation meanwhile gal said largecapitalization biopharma stock should move higher on legislation along senate finance committee lines as they can partially offset the 515 downside on higher volumes lower costs and higher drug prices at introduction the spdr sp pharmaceuticals etf xph is down 11 toward a 10month low and has shed 35 during its current sixday losing streak in comparison the sp 500 spx is down 04 on thursday and has lost ground in seven of that past nine sessions