Check out the companies making headlines in after-hours trading. Five Below — Shares of Five Below fell nearly 9% after the discount retailer announced in a press release that CEO Joel Anderson was resigning “to pursue other interests.” The company named Kenneth Bull its interim president and chief executive officer, effective immediately. The company also issued bleak second-quarter profit and revenue guidance. Interactive Brokers — The electronic brokerage rose about 1% after beating second-quarter adjusted profit and revenue estimates. Interactive Brokers reported adjusted earnings of $1.76 per share on revenue of $1.29 billion, while analysts expected earnings of $1.74 per share on revenue of $1.27 billion, according to LSEG. The company said customer accounts grew 28% year over year and customer margin loans grew 32%. JB Hunt Transport Services — JB Hunt’s second-quarter results missed expectations, sending the logistics company’s shares down 3% as rising insurance costs and a weak freight market hurt competition for over-the-road trucks. Earnings per share were $1.32, while analysts polled by LSEG expected earnings of $1.52 per share. Revenue for the quarter was $2.93 billion, compared with analysts’ forecasts of $3.04 billion. Omnicom — Shares of Omnicom hovered near the flat line after the marketing and communications company reported earnings in line with expectations, with adjusted earnings of $1.95 a share, which was exactly what analysts polled by FactSet had expected. However, Omnicom’s revenue grew slightly to $3.85 billion, while analysts polled by FactSet expected $3.83 billion. Hancock Whitney — Shares of the bank fell more than 6%. Hancock Whitney reported second-quarter earnings of $1.31 per share, down from $1.35 per share in the same period last year. Its total deposits fell by $575.2 million to $29.2 billion during the same period. —CNBC’s Darla Mercado contributed reporting.