Disappointed investors sent shares in Virtus Health, Australia’s largest fertility clinic network, down as much as 4.3% at one point, after the release of underwhelming first half figures. Revenues might have that gained 5.1% to A$140 million (US$99.7 million), but that hasn’t has a positive effect on profits which fell 11.7% to A$14.6 million. “Virtus…