Higher costs for oil, industrial metals and other materials have emerged as a headwind during U.S. earnings season, amplifying inflation worries at the same time the labor market is tightening.
Japan Today

HINTS
S Higher costs どんな→ [for] oil, industrial metals [and] other materials
V [have emerged]

補足 
[as] a headwind

O [during] U.S. earnings season

補足
, [amplifying] inflation worries インフレの心配

補足
[at] the same time 同時
S the labor market
V [is tightening] .タイトになってきている