** Shares in Aperam APAM.AS are up more than 4% after the stainless steel producer reaffirmed its Q1 and H1 outlooks on Thursday despite mounting energy cost pressures amid the war in the Middle East
** The Amsterdam stock exchange was closed on Friday and Monday due to the long Easter holiday weekend
** The shares are on track for their best trading day since March 10 if the gains hold
** Up to the previous session's close, they were down 2.6% YTD
(Reporting by Zakarya Meliani)
((zakarya.meliani@thomsonreuters.com))