** Shares in InPost INPST.AS fall as much as 8% despite the parcel locker company reporting Q1 core earnings beat and updating its guidance following recent acquisition in the UK
** Marek Szymanski from IPOPEMA Securities says the drop is likely caused by the weaker Polish volumes seen in the second-quarter
** InPost said it expected volume growth in a high single-digit percentage in Poland in the second quarter, but still outpacing a softer e-commerce market
** Tomasz Sokołowski from Santander brokerage links the fall to weaker headline net profit and cash flows
** Net income came in 35% below consensus due to higher financial costs, Erste Group says in a note
** The stock, which has been rising into the results, is down 6% at 0755 GMT
(Reporting by Anna Pruchnicka)
((anna.pruchnicka@tr.com))