L'Oreal can expect a strong second quarter but might face tougher trends after that, analysts at JPMorgan write in a note to clients. The French beauty giant should report like-for-like sales growth of around 5% on year for the April-June period, continuing good momentum booked in the year's first months, according to JPM's estimates. Still, growth might then start to slow as tougher comparatives come into play and demand for cosmetics, skin-care and makeup begins to weaken in key markets in North America and Europe, the analysts say. Shares fall 3% to 376.30 euros. (joshua.kirby@wsj.com; @joshualeokirby)