Infectious diseases diagnostics company Lucira Health Inc. launched an IPO of 9 million shares of common stock at $17 per share, for expected gross proceeds of $153 million. Friday’s Wall Street debut was a show of confidence, upsized from an original plan to offer 7.8 million shares at $15 to $17. The Emeryville, Calif.-based company has granted the underwriters a 30-day option to acquire up to an additional 1,350,000 shares of common stock at the initial public offering price, less underwriting discounts and commissions.