Around 8 million shares had been sold and marketed for $55 to $60. RIYADH: Stocks of US-based customer engagement software maker Braze rose 44 percent in trading after its initial public offering that raised $520 million, Bloomberg has reported. The US firm closed at $93.39 in New York trading on Wednesday, which gives it a market value of $8.4 billion. Around 8 million shares had been sold and marketed for $55 to $60.