It’s getting harder to sort through AMC Networks’ numbers following its acquisition of Chellomedia and its BBC America joint venture. But all looks well based on its just released report for Q1 — and shares are up 6.5% in pre-market trading, which suggests the stock, already up nearly 20% in 2015, will hit a new high. Net income at $120.9 million was up 69.4% from the period last year on revenues of $668.7 million, up 27.5%.