BUZZ — PainChek hits over four — month high on expanded Sabra agreement uptake
* Shares of Australia's PainChek gains as much as 41.4% to A$0.140, their highest since June 4 * Stock logged its biggest intraday gain since April 14 * Medtech firm says expanded commercial uptake under its master services agreement with Sabra Health Care REIT * Adds expansion expands its Sabra footprint to 23 US comm